﻿/*   
    Copyright (C) 2009 Galaktika Corporation ZAO

    This file is a part of Galaktika.BusinessMonitor
 
    Galaktika.BusinessMonitor is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
      
    You should have received a copy of the GNU General Public License
    along with Galaktika.BusinessMonitor.  If not, see <http://www.gnu.org/licenses/>.
  
    If GPL v.3 is not suitable for your products or company,
    Galaktika Corp provides Galaktika.BusinessMonitor under a flexible commercial license
    designed to meet your specific usage and distribution requirements.
    If you have already obtained a commercial license from Galaktika Corp,
    you can use this file under those license terms.
*/

using System;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Activation;
using System.Collections.Generic;
using System.Text;
using Galaktika.BI.Silverlight.Services;
using Galaktika.BI.Silverlight.ClientApp.Web.Runtime.DataAccess;

namespace Galaktika.BI.Silverlight.ClientApp.Web
{
    [ServiceContract(
        Namespace = Galaktika.BI.Silverlight.Common.Namespace)]
    [ServiceBehavior(
        ConcurrencyMode=ConcurrencyMode.Multiple,
        InstanceContextMode=InstanceContextMode.Single)]
    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
    public class CommandExecutor
    {
        [OperationContract]
        public InvokeResultSchema InvokeCommand(InvokeSchema invoker)
        {
            InvokeResultSchema res = null;
            try
            {
                var connectionString = invoker[KnownInvokeArgs.ConnectionString];
                var query = invoker[KnownInvokeArgs.Query];
                var sessionId = invoker[KnownInvokeArgs.SessionId];
                var connectionType = invoker[KnownInvokeArgs.ConnectionType];

                res = QueryExecutorFactory.Create(connectionType).ExecuteQuery(connectionString, query, sessionId);
            }
            catch (Exception exc)
            {
                res = new InvokeResultSchema(invoker.CommandId, exc.ToString(), KnownContentTypes.Error);
            }

            return res;
        }
    }
}
